Probe for measuring the level of a liquid

Details Probe for measuring the level of a liquid Probe for measuring the level of a liquid

1985-11-26

1987-07-14

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Thermal type

219504, 338 24, G01F 2324

Patent

active

046794328

ABSTRACT:
The present invention provides a probe for measuring the level of a liquid, including a conductor partially immersed in said liquid and whose degree of immersion depends on said variable level to be measured, the resistivity of which conductor depends on the temperature. The conductor is for example etched on an insulating support which is a better conductor of heat than air. The result is a very good linearity for rapid measurements, higher accuracy and a great mounting simplicity.

REFERENCES:
patent: 3434940 (1969-03-01), Brown et al.
patent: 3479875 (1969-11-01), Riddel
patent: 3777177 (1973-12-01), Norkum et al.
patent: 3845443 (1974-10-01), Fisher
patent: 4052901 (1977-10-01), Bjork
patent: 4129848 (1978-12-01), Frank et al.
patent: 4183136 (1980-01-01), Colla
patent: 4259982 (1981-04-01), Bartels
patent: 4299126 (1981-11-01), Heuwieser et al.
patent: 4567762 (1986-02-01), Hoppert et al.

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